SDSS J164726.83+370337.0
All names: SDSS J164726.83+370337.1, WD 1645+371, Gaia DR3 1351450457989708416, GALEX J164726.8+370337, Gaia EDR3 1351450457989708416, Gaia DR2 1351450457989708416, SDSS J164726.82+370337.0, SDSS J164726.83+370337.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 47 26.83 (0.3) | 16 47 26.83 | 16 47 26.83 (0.4) | 16 47 26.83 (0.3) | 16 47 26.83 | 16 47 26.81 | 16 47 26.83 | |||||
| Declination | 37 03 37.01 (0.3) | 37 03 37.06 | 37 03 37.01 (0.4) | 37 03 37.03 (0.3) | 37 03 37.03 | 37 03 32.40 | 37 03 37.08 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 8079.0 | 8886.0 (144) | 8742.0 (155) | ||||||||
| log(g) | [cgs] | 6.83 | 8.07 (0.3) | 7.88 (0.3) | ||||||||
| Mass | [M☉] | 0.17 | 0.534 (0.2) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(C/H) | ||||||||||||
| log(N/H) | ||||||||||||
| log(O/H) | ||||||||||||
| log(Na/H) | ||||||||||||
| log(Mg/H) | ||||||||||||
| log(Al/H) | ||||||||||||
| log(Si/H) | ||||||||||||
| log(P/H) | ||||||||||||
| log(S/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| Parallax | [mas] | 2.47 (0.4) | 1.81 (0.5) | 2.47 (0.4) | ||||||||
| Distance | [pc] | 405.43 (59) | 552.85 (141) | 405.43 (59) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.468644356 (0.4) | 3.11996871 (0.8) | 3.469 (0.4) | 0.8 | |||||||
| Proper motion (declination) | [mas/yr] | -1.635106567 (0.4) | -1.643035845 (0.9) | -1.635 (0.4) | -9.0 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.57 (0.05) | 20.57 (0.05) | 20.57 (0.06) | 20.57 | 20.55 (0.06) | |||||||
| g magnitude | 20.10 (0.02) | 20.10 (0.02) | 20.12 (0.02) | 20.11 | 20.10 (0.02) | |||||||
| r magnitude | 20.12 (0.02) | 20.12 (0.02) | 20.12 (0.02) | 20.11 | 20.11 (0.02) | |||||||
| i magnitude | 20.19 (0.03) | 20.19 (0.03) | 20.18 (0.03) | 20.17 | 20.18 (0.03) | |||||||
| z magnitude | 20.38 (0.1) | 20.38 (0.1) | 20.33 (0.1) | 20.32 | 20.34 (0.1) | |||||||
| G magnitude | 20.06 (0.08) | 20.12 | 20.06 (0.005) | |||||||||
| BP magnitude | 20.20 (0.08) | 20.17 | ||||||||||
| RP magnitude | 19.91 (0.07) | 19.85 | ||||||||||
| Pan g magnitude | 20.15 (0.02) | |||||||||||
| Pan r magnitude | 20.09 (0.02) | |||||||||||
| Pan i magnitude | 20.17 (0.01) | |||||||||||
| Pan z magnitude | 20.26 (0.05) | |||||||||||
| Pan y magnitude | 19.85 (0.4) | |||||||||||
| E(B-V) | 0.021 | |||||||||||
* Constant surface field
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